Overview
Brought to you by YData
Dataset statistics
| Number of variables | 16 |
|---|---|
| Number of observations | 918 |
| Missing cells | 1836 |
| Missing cells (%) | 12.5% |
| Duplicate rows | 0 |
| Duplicate rows (%) | 0.0% |
| Total size in memory | 293.9 KiB |
| Average record size in memory | 327.8 B |
Variable types
| Numeric | 8 |
|---|---|
| Unsupported | 2 |
| Categorical | 5 |
| Boolean | 1 |
ChestPainType is highly overall correlated with HeartDisease | High correlation |
Cholesterol is highly overall correlated with chol_age_ratio and 1 other fields | High correlation |
HeartDisease is highly overall correlated with ChestPainType and 1 other fields | High correlation |
RestingBP is highly overall correlated with RestingBP_scaled | High correlation |
RestingBP_scaled is highly overall correlated with RestingBP | High correlation |
ST_Slope is highly overall correlated with HeartDisease | High correlation |
chol_age_ratio is highly overall correlated with Cholesterol and 1 other fields | High correlation |
chol_age_ratio_scaled is highly overall correlated with Cholesterol and 1 other fields | High correlation |
Sex has 918 (100.0%) missing values | Missing |
Sex_encoded has 918 (100.0%) missing values | Missing |
Sex is an unsupported type, check if it needs cleaning or further analysis | Unsupported |
Sex_encoded is an unsupported type, check if it needs cleaning or further analysis | Unsupported |
Cholesterol has 172 (18.7%) zeros | Zeros |
Oldpeak has 368 (40.1%) zeros | Zeros |
chol_age_ratio has 172 (18.7%) zeros | Zeros |
Reproduction
| Analysis started | 2025-04-27 15:05:11.298243 |
|---|---|
| Analysis finished | 2025-04-27 15:05:14.303403 |
| Duration | 3.01 seconds |
| Software version | ydata-profiling vv4.16.1 |
| Download configuration | config.json |
Variables
Age
Real number (ℝ)
| Distinct | 50 |
|---|---|
| Distinct (%) | 5.4% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 53.510893 |
| Minimum | 28 |
|---|---|
| Maximum | 77 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.3 KiB |
Quantile statistics
| Minimum | 28 |
|---|---|
| 5-th percentile | 37 |
| Q1 | 47 |
| median | 54 |
| Q3 | 60 |
| 95-th percentile | 68 |
| Maximum | 77 |
| Range | 49 |
| Interquartile range (IQR) | 13 |
Descriptive statistics
| Standard deviation | 9.4326165 |
|---|---|
| Coefficient of variation (CV) | 0.1762747 |
| Kurtosis | -0.38613961 |
| Mean | 53.510893 |
| Median Absolute Deviation (MAD) | 7 |
| Skewness | -0.19593303 |
| Sum | 49123 |
| Variance | 88.974254 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 54 | 51 | 5.6% |
| 58 | 42 | 4.6% |
| 55 | 41 | 4.5% |
| 56 | 38 | 4.1% |
| 57 | 38 | 4.1% |
| 52 | 36 | 3.9% |
| 51 | 35 | 3.8% |
| 59 | 35 | 3.8% |
| 62 | 35 | 3.8% |
| 53 | 33 | 3.6% |
| Other values (40) | 534 |
| Value | Count | Frequency (%) |
| 28 | 1 | 0.1% |
| 29 | 3 | 0.3% |
| 30 | 1 | 0.1% |
| 31 | 2 | 0.2% |
| 32 | 5 | |
| 33 | 2 | 0.2% |
| 34 | 7 | |
| 35 | 11 | |
| 36 | 6 | |
| 37 | 11 |
| Value | Count | Frequency (%) |
| 77 | 2 | 0.2% |
| 76 | 2 | 0.2% |
| 75 | 3 | 0.3% |
| 74 | 7 | |
| 73 | 1 | 0.1% |
| 72 | 4 | 0.4% |
| 71 | 5 | 0.5% |
| 70 | 7 | |
| 69 | 13 | |
| 68 | 10 |
Sex
Unsupported
Missing Rejected Unsupported
| Missing | 918 |
|---|---|
| Missing (%) | 100.0% |
| Memory size | 7.3 KiB |
ChestPainType
Categorical
High correlation
| Distinct | 4 |
|---|---|
| Distinct (%) | 0.4% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 46.7 KiB |
| ASY | |
|---|---|
| NAP | |
| ATA | |
| TA | 46 |
Length
| Max length | 3 |
|---|---|
| Median length | 3 |
| Mean length | 2.9498911 |
| Min length | 2 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | ATA |
|---|---|
| 2nd row | NAP |
| 3rd row | ATA |
| 4th row | ASY |
| 5th row | NAP |
Common Values
| Value | Count | Frequency (%) |
| ASY | 496 | |
| NAP | 203 | |
| ATA | 173 | 18.8% |
| TA | 46 | 5.0% |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| asy | 496 | |
| nap | 203 | |
| ata | 173 | 18.8% |
| ta | 46 | 5.0% |
Most occurring characters
| Value | Count | Frequency (%) |
| A | 1091 | |
| S | 496 | |
| Y | 496 | |
| T | 219 | 8.1% |
| N | 203 | 7.5% |
| P | 203 | 7.5% |
Most occurring categories
| Value | Count | Frequency (%) |
| (unknown) | 2708 |
Most frequent character per category
(unknown)
| Value | Count | Frequency (%) |
| A | 1091 | |
| S | 496 | |
| Y | 496 | |
| T | 219 | 8.1% |
| N | 203 | 7.5% |
| P | 203 | 7.5% |
Most occurring scripts
| Value | Count | Frequency (%) |
| (unknown) | 2708 |
Most frequent character per script
(unknown)
| Value | Count | Frequency (%) |
| A | 1091 | |
| S | 496 | |
| Y | 496 | |
| T | 219 | 8.1% |
| N | 203 | 7.5% |
| P | 203 | 7.5% |
Most occurring blocks
| Value | Count | Frequency (%) |
| (unknown) | 2708 |
Most frequent character per block
(unknown)
| Value | Count | Frequency (%) |
| A | 1091 | |
| S | 496 | |
| Y | 496 | |
| T | 219 | 8.1% |
| N | 203 | 7.5% |
| P | 203 | 7.5% |
RestingBP
Real number (ℝ)
High correlation
| Distinct | 67 |
|---|---|
| Distinct (%) | 7.3% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 132.39651 |
| Minimum | 0 |
|---|---|
| Maximum | 200 |
| Zeros | 1 |
| Zeros (%) | 0.1% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.3 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 106 |
| Q1 | 120 |
| median | 130 |
| Q3 | 140 |
| 95-th percentile | 160 |
| Maximum | 200 |
| Range | 200 |
| Interquartile range (IQR) | 20 |
Descriptive statistics
| Standard deviation | 18.514154 |
|---|---|
| Coefficient of variation (CV) | 0.13983868 |
| Kurtosis | 3.2712509 |
| Mean | 132.39651 |
| Median Absolute Deviation (MAD) | 10 |
| Skewness | 0.17983931 |
| Sum | 121540 |
| Variance | 342.7739 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 120 | 132 | |
| 130 | 118 | 12.9% |
| 140 | 107 | 11.7% |
| 110 | 58 | 6.3% |
| 150 | 55 | 6.0% |
| 160 | 50 | 5.4% |
| 125 | 29 | 3.2% |
| 135 | 20 | 2.2% |
| 115 | 19 | 2.1% |
| 128 | 18 | 2.0% |
| Other values (57) | 312 |
| Value | Count | Frequency (%) |
| 0 | 1 | 0.1% |
| 80 | 1 | 0.1% |
| 92 | 1 | 0.1% |
| 94 | 2 | 0.2% |
| 95 | 6 | 0.7% |
| 96 | 1 | 0.1% |
| 98 | 1 | 0.1% |
| 100 | 15 | |
| 101 | 1 | 0.1% |
| 102 | 3 | 0.3% |
| Value | Count | Frequency (%) |
| 200 | 4 | 0.4% |
| 192 | 1 | 0.1% |
| 190 | 2 | 0.2% |
| 185 | 1 | 0.1% |
| 180 | 12 | |
| 178 | 3 | 0.3% |
| 174 | 1 | 0.1% |
| 172 | 2 | 0.2% |
| 170 | 14 | |
| 165 | 2 | 0.2% |
Cholesterol
Real number (ℝ)
High correlation Zeros
| Distinct | 222 |
|---|---|
| Distinct (%) | 24.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 198.79956 |
| Minimum | 0 |
|---|---|
| Maximum | 603 |
| Zeros | 172 |
| Zeros (%) | 18.7% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.3 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 0 |
| Q1 | 173.25 |
| median | 223 |
| Q3 | 267 |
| 95-th percentile | 331.3 |
| Maximum | 603 |
| Range | 603 |
| Interquartile range (IQR) | 93.75 |
Descriptive statistics
| Standard deviation | 109.38414 |
|---|---|
| Coefficient of variation (CV) | 0.55022326 |
| Kurtosis | 0.11820847 |
| Mean | 198.79956 |
| Median Absolute Deviation (MAD) | 46 |
| Skewness | -0.61008643 |
| Sum | 182498 |
| Variance | 11964.891 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 0 | 172 | 18.7% |
| 254 | 11 | 1.2% |
| 223 | 10 | 1.1% |
| 220 | 10 | 1.1% |
| 230 | 9 | 1.0% |
| 211 | 9 | 1.0% |
| 216 | 9 | 1.0% |
| 204 | 9 | 1.0% |
| 219 | 8 | 0.9% |
| 246 | 8 | 0.9% |
| Other values (212) | 663 |
| Value | Count | Frequency (%) |
| 0 | 172 | |
| 85 | 1 | 0.1% |
| 100 | 2 | 0.2% |
| 110 | 1 | 0.1% |
| 113 | 1 | 0.1% |
| 117 | 1 | 0.1% |
| 123 | 1 | 0.1% |
| 126 | 2 | 0.2% |
| 129 | 1 | 0.1% |
| 131 | 1 | 0.1% |
| Value | Count | Frequency (%) |
| 603 | 1 | |
| 564 | 1 | |
| 529 | 1 | |
| 518 | 1 | |
| 491 | 1 | |
| 468 | 1 | |
| 466 | 1 | |
| 458 | 1 | |
| 417 | 1 | |
| 412 | 1 |
Length
| Max length | 1 |
|---|---|
| Median length | 1 |
| Mean length | 1 |
| Min length | 1 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | 0 |
|---|---|
| 2nd row | 0 |
| 3rd row | 0 |
| 4th row | 0 |
| 5th row | 0 |
Common Values
| Value | Count | Frequency (%) |
| 0 | 704 | |
| 1 | 214 | 23.3% |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| 0 | 704 | |
| 1 | 214 | 23.3% |
Most occurring characters
| Value | Count | Frequency (%) |
| 0 | 704 | |
| 1 | 214 | 23.3% |
Most occurring categories
| Value | Count | Frequency (%) |
| (unknown) | 918 |
Most frequent character per category
(unknown)
| Value | Count | Frequency (%) |
| 0 | 704 | |
| 1 | 214 | 23.3% |
Most occurring scripts
| Value | Count | Frequency (%) |
| (unknown) | 918 |
Most frequent character per script
(unknown)
| Value | Count | Frequency (%) |
| 0 | 704 | |
| 1 | 214 | 23.3% |
Most occurring blocks
| Value | Count | Frequency (%) |
| (unknown) | 918 |
Most frequent character per block
(unknown)
| Value | Count | Frequency (%) |
| 0 | 704 | |
| 1 | 214 | 23.3% |
RestingECG
Categorical
| Distinct | 3 |
|---|---|
| Distinct (%) | 0.3% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 48.2 KiB |
| Normal | |
|---|---|
| LVH | |
| ST |
Length
| Max length | 6 |
|---|---|
| Median length | 6 |
| Mean length | 4.6100218 |
| Min length | 2 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | Normal |
|---|---|
| 2nd row | Normal |
| 3rd row | ST |
| 4th row | Normal |
| 5th row | Normal |
Common Values
| Value | Count | Frequency (%) |
| Normal | 552 | |
| LVH | 188 | 20.5% |
| ST | 178 | 19.4% |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| normal | 552 | |
| lvh | 188 | 20.5% |
| st | 178 | 19.4% |
Most occurring characters
| Value | Count | Frequency (%) |
| N | 552 | |
| o | 552 | |
| r | 552 | |
| m | 552 | |
| a | 552 | |
| l | 552 | |
| L | 188 | 4.4% |
| V | 188 | 4.4% |
| H | 188 | 4.4% |
| S | 178 | 4.2% |
Most occurring categories
| Value | Count | Frequency (%) |
| (unknown) | 4232 |
Most frequent character per category
(unknown)
| Value | Count | Frequency (%) |
| N | 552 | |
| o | 552 | |
| r | 552 | |
| m | 552 | |
| a | 552 | |
| l | 552 | |
| L | 188 | 4.4% |
| V | 188 | 4.4% |
| H | 188 | 4.4% |
| S | 178 | 4.2% |
Most occurring scripts
| Value | Count | Frequency (%) |
| (unknown) | 4232 |
Most frequent character per script
(unknown)
| Value | Count | Frequency (%) |
| N | 552 | |
| o | 552 | |
| r | 552 | |
| m | 552 | |
| a | 552 | |
| l | 552 | |
| L | 188 | 4.4% |
| V | 188 | 4.4% |
| H | 188 | 4.4% |
| S | 178 | 4.2% |
Most occurring blocks
| Value | Count | Frequency (%) |
| (unknown) | 4232 |
Most frequent character per block
(unknown)
| Value | Count | Frequency (%) |
| N | 552 | |
| o | 552 | |
| r | 552 | |
| m | 552 | |
| a | 552 | |
| l | 552 | |
| L | 188 | 4.4% |
| V | 188 | 4.4% |
| H | 188 | 4.4% |
| S | 178 | 4.2% |
MaxHR
Real number (ℝ)
| Distinct | 119 |
|---|---|
| Distinct (%) | 13.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 136.80937 |
| Minimum | 60 |
|---|---|
| Maximum | 202 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.3 KiB |
Quantile statistics
| Minimum | 60 |
|---|---|
| 5-th percentile | 96 |
| Q1 | 120 |
| median | 138 |
| Q3 | 156 |
| 95-th percentile | 178 |
| Maximum | 202 |
| Range | 142 |
| Interquartile range (IQR) | 36 |
Descriptive statistics
| Standard deviation | 25.460334 |
|---|---|
| Coefficient of variation (CV) | 0.18610081 |
| Kurtosis | -0.44824782 |
| Mean | 136.80937 |
| Median Absolute Deviation (MAD) | 18 |
| Skewness | -0.14435942 |
| Sum | 125591 |
| Variance | 648.22861 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 150 | 43 | 4.7% |
| 140 | 41 | 4.5% |
| 120 | 36 | 3.9% |
| 130 | 33 | 3.6% |
| 160 | 25 | 2.7% |
| 110 | 23 | 2.5% |
| 125 | 21 | 2.3% |
| 122 | 20 | 2.2% |
| 170 | 20 | 2.2% |
| 115 | 16 | 1.7% |
| Other values (109) | 640 |
| Value | Count | Frequency (%) |
| 60 | 1 | |
| 63 | 1 | |
| 67 | 1 | |
| 69 | 1 | |
| 70 | 1 | |
| 71 | 1 | |
| 72 | 2 | |
| 73 | 1 | |
| 77 | 1 | |
| 78 | 1 |
| Value | Count | Frequency (%) |
| 202 | 1 | 0.1% |
| 195 | 1 | 0.1% |
| 194 | 1 | 0.1% |
| 192 | 1 | 0.1% |
| 190 | 2 | |
| 188 | 2 | |
| 187 | 1 | 0.1% |
| 186 | 2 | |
| 185 | 4 | |
| 184 | 4 |
| Value | Count | Frequency (%) |
| False | 547 | |
| True | 371 |
Oldpeak
Real number (ℝ)
Zeros
| Distinct | 53 |
|---|---|
| Distinct (%) | 5.8% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 0.88736383 |
| Minimum | -2.6 |
|---|---|
| Maximum | 6.2 |
| Zeros | 368 |
| Zeros (%) | 40.1% |
| Negative | 13 |
| Negative (%) | 1.4% |
| Memory size | 7.3 KiB |
Quantile statistics
| Minimum | -2.6 |
|---|---|
| 5-th percentile | 0 |
| Q1 | 0 |
| median | 0.6 |
| Q3 | 1.5 |
| 95-th percentile | 3 |
| Maximum | 6.2 |
| Range | 8.8 |
| Interquartile range (IQR) | 1.5 |
Descriptive statistics
| Standard deviation | 1.0665702 |
|---|---|
| Coefficient of variation (CV) | 1.2019536 |
| Kurtosis | 1.2030637 |
| Mean | 0.88736383 |
| Median Absolute Deviation (MAD) | 0.6 |
| Skewness | 1.022872 |
| Sum | 814.6 |
| Variance | 1.1375719 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 0 | 368 | |
| 1 | 86 | 9.4% |
| 2 | 76 | 8.3% |
| 1.5 | 53 | 5.8% |
| 3 | 28 | 3.1% |
| 1.2 | 26 | 2.8% |
| 0.2 | 22 | 2.4% |
| 0.5 | 19 | 2.1% |
| 1.4 | 18 | 2.0% |
| 1.8 | 17 | 1.9% |
| Other values (43) | 205 |
| Value | Count | Frequency (%) |
| -2.6 | 1 | |
| -2 | 1 | |
| -1.5 | 1 | |
| -1.1 | 1 | |
| -1 | 2 | |
| -0.9 | 1 | |
| -0.8 | 1 | |
| -0.7 | 1 | |
| -0.5 | 2 | |
| -0.1 | 2 |
| Value | Count | Frequency (%) |
| 6.2 | 1 | 0.1% |
| 5.6 | 1 | 0.1% |
| 5 | 1 | 0.1% |
| 4.4 | 1 | 0.1% |
| 4.2 | 2 | 0.2% |
| 4 | 8 | |
| 3.8 | 1 | 0.1% |
| 3.7 | 1 | 0.1% |
| 3.6 | 4 | |
| 3.5 | 2 | 0.2% |
ST_Slope
Categorical
High correlation
| Distinct | 3 |
|---|---|
| Distinct (%) | 0.3% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 46.9 KiB |
| Flat | |
|---|---|
| Up | |
| Down |
Length
| Max length | 4 |
|---|---|
| Median length | 4 |
| Mean length | 3.1394336 |
| Min length | 2 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | Up |
|---|---|
| 2nd row | Flat |
| 3rd row | Up |
| 4th row | Flat |
| 5th row | Up |
Common Values
| Value | Count | Frequency (%) |
| Flat | 460 | |
| Up | 395 | |
| Down | 63 | 6.9% |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| flat | 460 | |
| up | 395 | |
| down | 63 | 6.9% |
Most occurring characters
| Value | Count | Frequency (%) |
| F | 460 | |
| l | 460 | |
| a | 460 | |
| t | 460 | |
| U | 395 | |
| p | 395 | |
| D | 63 | 2.2% |
| o | 63 | 2.2% |
| w | 63 | 2.2% |
| n | 63 | 2.2% |
Most occurring categories
| Value | Count | Frequency (%) |
| (unknown) | 2882 |
Most frequent character per category
(unknown)
| Value | Count | Frequency (%) |
| F | 460 | |
| l | 460 | |
| a | 460 | |
| t | 460 | |
| U | 395 | |
| p | 395 | |
| D | 63 | 2.2% |
| o | 63 | 2.2% |
| w | 63 | 2.2% |
| n | 63 | 2.2% |
Most occurring scripts
| Value | Count | Frequency (%) |
| (unknown) | 2882 |
Most frequent character per script
(unknown)
| Value | Count | Frequency (%) |
| F | 460 | |
| l | 460 | |
| a | 460 | |
| t | 460 | |
| U | 395 | |
| p | 395 | |
| D | 63 | 2.2% |
| o | 63 | 2.2% |
| w | 63 | 2.2% |
| n | 63 | 2.2% |
Most occurring blocks
| Value | Count | Frequency (%) |
| (unknown) | 2882 |
Most frequent character per block
(unknown)
| Value | Count | Frequency (%) |
| F | 460 | |
| l | 460 | |
| a | 460 | |
| t | 460 | |
| U | 395 | |
| p | 395 | |
| D | 63 | 2.2% |
| o | 63 | 2.2% |
| w | 63 | 2.2% |
| n | 63 | 2.2% |
HeartDisease
Categorical
High correlation
| Distinct | 2 |
|---|---|
| Distinct (%) | 0.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 45.0 KiB |
| 1 | |
|---|---|
| 0 |
Length
| Max length | 1 |
|---|---|
| Median length | 1 |
| Mean length | 1 |
| Min length | 1 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | 0 |
|---|---|
| 2nd row | 1 |
| 3rd row | 0 |
| 4th row | 1 |
| 5th row | 0 |
Common Values
| Value | Count | Frequency (%) |
| 1 | 508 | |
| 0 | 410 |
Length
Histogram of lengths of the category
Common Values (Plot)
| Value | Count | Frequency (%) |
| 1 | 508 | |
| 0 | 410 |
Most occurring characters
| Value | Count | Frequency (%) |
| 1 | 508 | |
| 0 | 410 |
Most occurring categories
| Value | Count | Frequency (%) |
| (unknown) | 918 |
Most frequent character per category
(unknown)
| Value | Count | Frequency (%) |
| 1 | 508 | |
| 0 | 410 |
Most occurring scripts
| Value | Count | Frequency (%) |
| (unknown) | 918 |
Most frequent character per script
(unknown)
| Value | Count | Frequency (%) |
| 1 | 508 | |
| 0 | 410 |
Most occurring blocks
| Value | Count | Frequency (%) |
| (unknown) | 918 |
Most frequent character per block
(unknown)
| Value | Count | Frequency (%) |
| 1 | 508 | |
| 0 | 410 |
Sex_encoded
Unsupported
Missing Rejected Unsupported
| Missing | 918 |
|---|---|
| Missing (%) | 100.0% |
| Memory size | 7.3 KiB |
chol_age_ratio
Real number (ℝ)
High correlation Zeros
| Distinct | 669 |
|---|---|
| Distinct (%) | 72.9% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 3.8051475 |
| Minimum | 0 |
|---|---|
| Maximum | 16.030303 |
| Zeros | 172 |
| Zeros (%) | 18.7% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 7.3 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 0 |
| Q1 | 3.051378 |
| median | 4.1309524 |
| Q3 | 5.1039474 |
| 95-th percentile | 6.9392857 |
| Maximum | 16.030303 |
| Range | 16.030303 |
| Interquartile range (IQR) | 2.0525694 |
Descriptive statistics
| Standard deviation | 2.2325906 |
|---|---|
| Coefficient of variation (CV) | 0.58672906 |
| Kurtosis | 0.75216364 |
| Mean | 3.8051475 |
| Median Absolute Deviation (MAD) | 1.0240957 |
| Skewness | -0.16078431 |
| Sum | 3493.1254 |
| Variance | 4.9844609 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| 0 | 172 | 18.7% |
| 5 | 5 | 0.5% |
| 4 | 5 | 0.5% |
| 4.5 | 4 | 0.4% |
| 5.952380952 | 3 | 0.3% |
| 5.613636364 | 3 | 0.3% |
| 4.095238095 | 3 | 0.3% |
| 6 | 3 | 0.3% |
| 4.071428571 | 3 | 0.3% |
| 4.20754717 | 2 | 0.2% |
| Other values (659) | 715 |
| Value | Count | Frequency (%) |
| 0 | 172 | |
| 1.467532468 | 1 | 0.1% |
| 1.49122807 | 1 | 0.1% |
| 1.571428571 | 1 | 0.1% |
| 1.684931507 | 1 | 0.1% |
| 1.754385965 | 1 | 0.1% |
| 1.886792453 | 1 | 0.1% |
| 2.069444444 | 1 | 0.1% |
| 2.074626866 | 1 | 0.1% |
| 2.1 | 1 | 0.1% |
| Value | Count | Frequency (%) |
| 16.03030303 | 1 | |
| 11.36585366 | 1 | |
| 10.96363636 | 1 | |
| 10.91111111 | 1 | |
| 9.592592593 | 1 | |
| 9.56097561 | 1 | |
| 9.189189189 | 1 | |
| 9.155555556 | 1 | |
| 8.766666667 | 1 | |
| 8.764705882 | 1 |
RestingBP_scaled
Real number (ℝ)
High correlation
| Distinct | 67 |
|---|---|
| Distinct (%) | 7.3% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 2.0487122 × 10-16 |
| Minimum | -7.1549952 |
|---|---|
| Maximum | 3.6534392 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 514 |
| Negative (%) | 56.0% |
| Memory size | 7.3 KiB |
Quantile statistics
| Minimum | -7.1549952 |
|---|---|
| 5-th percentile | -1.426525 |
| Q1 | -0.66993455 |
| median | -0.12951283 |
| Q3 | 0.41090889 |
| 95-th percentile | 1.4917523 |
| Maximum | 3.6534392 |
| Range | 10.808434 |
| Interquartile range (IQR) | 1.0808434 |
Descriptive statistics
| Standard deviation | 1.0005451 |
|---|---|
| Coefficient of variation (CV) | 4.8837758 × 1015 |
| Kurtosis | 3.2712509 |
| Mean | 2.0487122 × 10-16 |
| Median Absolute Deviation (MAD) | 0.54042172 |
| Skewness | 0.17983931 |
| Sum | 1.8474111 × 10-13 |
| Variance | 1.0010905 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| -0.6699345547 | 132 | |
| -0.1295128313 | 118 | 12.9% |
| 0.4109088921 | 107 | 11.7% |
| -1.210356278 | 58 | 6.3% |
| 0.9513306155 | 55 | 6.0% |
| 1.491752339 | 50 | 5.4% |
| -0.399723693 | 29 | 3.2% |
| 0.1406980304 | 20 | 2.2% |
| -0.9401454164 | 19 | 2.1% |
| -0.237597176 | 18 | 2.0% |
| Other values (57) | 312 |
| Value | Count | Frequency (%) |
| -7.154995236 | 1 | 0.1% |
| -2.831621448 | 1 | 0.1% |
| -2.18311538 | 1 | 0.1% |
| -2.075031036 | 2 | 0.2% |
| -2.020988863 | 6 | 0.7% |
| -1.966946691 | 1 | 0.1% |
| -1.858862346 | 1 | 0.1% |
| -1.750778002 | 15 | |
| -1.696735829 | 1 | 0.1% |
| -1.642693657 | 3 | 0.3% |
| Value | Count | Frequency (%) |
| 3.653439233 | 4 | 0.4% |
| 3.221101854 | 1 | 0.1% |
| 3.113017509 | 2 | 0.2% |
| 2.842806647 | 1 | 0.1% |
| 2.572595786 | 12 | |
| 2.464511441 | 3 | 0.3% |
| 2.248342752 | 1 | 0.1% |
| 2.140258407 | 2 | 0.2% |
| 2.032174062 | 14 | |
| 1.761963201 | 2 | 0.2% |
chol_age_ratio_scaled
Real number (ℝ)
High correlation
| Distinct | 669 |
|---|---|
| Distinct (%) | 72.9% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 1.5480234 × 10-16 |
| Minimum | -1.7052933 |
|---|---|
| Maximum | 5.4787561 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 373 |
| Negative (%) | 40.6% |
| Memory size | 7.3 KiB |
Quantile statistics
| Minimum | -1.7052933 |
|---|---|
| 5-th percentile | -1.7052933 |
| Q1 | -0.33780507 |
| median | 0.14601084 |
| Q3 | 0.58206274 |
| 95-th percentile | 1.4045775 |
| Maximum | 5.4787561 |
| Range | 7.1840493 |
| Interquartile range (IQR) | 0.9198678 |
Descriptive statistics
| Standard deviation | 1.0005451 |
|---|---|
| Coefficient of variation (CV) | 6.463372 × 1015 |
| Kurtosis | 0.75216364 |
| Mean | 1.5480234 × 10-16 |
| Median Absolute Deviation (MAD) | 0.4589529 |
| Skewness | -0.16078431 |
| Sum | 4.8316906 × 10-13 |
| Variance | 1.0010905 |
| Monotonicity | Not monotonic |
Histogram with fixed size bins (bins=50)
| Value | Count | Frequency (%) |
| -1.705293261 | 172 | 18.7% |
| 0.5354782742 | 5 | 0.5% |
| 0.08732396721 | 5 | 0.5% |
| 0.3114011207 | 4 | 0.4% |
| 0.9622918998 | 3 | 0.3% |
| 0.8104820534 | 3 | 0.3% |
| 0.1300053298 | 3 | 0.3% |
| 0.9836325811 | 3 | 0.3% |
| 0.1193349891 | 3 | 0.3% |
| 0.1803371253 | 2 | 0.2% |
| Other values (659) | 715 |
| Value | Count | Frequency (%) |
| -1.705293261 | 172 | |
| -1.047612265 | 1 | 0.1% |
| -1.036992978 | 1 | 0.1% |
| -1.001050778 | 1 | 0.1% |
| -0.9501839489 | 1 | 0.1% |
| -0.9190576344 | 1 | 0.1% |
| -0.8597190966 | 1 | 0.1% |
| -0.7778628198 | 1 | 0.1% |
| -0.7755402954 | 1 | 0.1% |
| -0.764169216 | 1 | 0.1% |
| Value | Count | Frequency (%) |
| 5.478756084 | 1 | |
| 3.388363009 | 1 | |
| 3.208107596 | 1 | |
| 3.184568178 | 1 | |
| 2.593668425 | 1 | |
| 2.579499138 | 1 | |
| 2.412881452 | 1 | |
| 2.397808394 | 1 | |
| 2.223526164 | 1 | |
| 2.22264743 | 1 |
Interactions
Correlations
| Age | ChestPainType | Cholesterol | ExerciseAngina | FastingBS | HeartDisease | MaxHR | Oldpeak | RestingBP | RestingBP_scaled | RestingECG | ST_Slope | chol_age_ratio | chol_age_ratio_scaled | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age | 1.000 | 0.149 | -0.047 | 0.195 | 0.180 | 0.275 | -0.365 | 0.298 | 0.279 | 0.279 | 0.162 | 0.190 | -0.485 | -0.485 |
| ChestPainType | 0.149 | 1.000 | 0.119 | 0.438 | 0.150 | 0.538 | 0.216 | 0.197 | 0.044 | 0.065 | 0.085 | 0.287 | 0.140 | 0.140 |
| Cholesterol | -0.047 | 0.119 | 1.000 | 0.103 | 0.322 | 0.329 | 0.184 | 0.052 | 0.109 | 0.109 | 0.150 | 0.119 | 0.850 | 0.850 |
| ExerciseAngina | 0.195 | 0.438 | 0.103 | 1.000 | 0.047 | 0.491 | 0.410 | 0.472 | 0.152 | 0.125 | 0.097 | 0.455 | 0.132 | 0.132 |
| FastingBS | 0.180 | 0.150 | 0.322 | 0.047 | 1.000 | 0.263 | 0.102 | 0.166 | 0.093 | 0.120 | 0.120 | 0.170 | 0.336 | 0.336 |
| HeartDisease | 0.275 | 0.538 | 0.329 | 0.491 | 0.263 | 1.000 | 0.404 | 0.439 | 0.139 | 0.137 | 0.099 | 0.621 | 0.357 | 0.357 |
| MaxHR | -0.365 | 0.216 | 0.184 | 0.410 | 0.102 | 0.404 | 1.000 | -0.205 | -0.108 | -0.108 | 0.123 | 0.272 | 0.349 | 0.349 |
| Oldpeak | 0.298 | 0.197 | 0.052 | 0.472 | 0.166 | 0.439 | -0.205 | 1.000 | 0.175 | 0.175 | 0.104 | 0.419 | -0.107 | -0.107 |
| RestingBP | 0.279 | 0.044 | 0.109 | 0.152 | 0.093 | 0.139 | -0.108 | 0.175 | 1.000 | 1.000 | 0.075 | 0.113 | -0.024 | -0.024 |
| RestingBP_scaled | 0.279 | 0.065 | 0.109 | 0.125 | 0.120 | 0.137 | -0.108 | 0.175 | 1.000 | 1.000 | 0.042 | 0.098 | -0.024 | -0.024 |
| RestingECG | 0.162 | 0.085 | 0.150 | 0.097 | 0.120 | 0.099 | 0.123 | 0.104 | 0.075 | 0.042 | 1.000 | 0.045 | 0.127 | 0.127 |
| ST_Slope | 0.190 | 0.287 | 0.119 | 0.455 | 0.170 | 0.621 | 0.272 | 0.419 | 0.113 | 0.098 | 0.045 | 1.000 | 0.136 | 0.136 |
| chol_age_ratio | -0.485 | 0.140 | 0.850 | 0.132 | 0.336 | 0.357 | 0.349 | -0.107 | -0.024 | -0.024 | 0.127 | 0.136 | 1.000 | 1.000 |
| chol_age_ratio_scaled | -0.485 | 0.140 | 0.850 | 0.132 | 0.336 | 0.357 | 0.349 | -0.107 | -0.024 | -0.024 | 0.127 | 0.136 | 1.000 | 1.000 |
Missing values
A simple visualization of nullity by column.
Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.
Sample
| Age | Sex | ChestPainType | RestingBP | Cholesterol | FastingBS | RestingECG | MaxHR | ExerciseAngina | Oldpeak | ST_Slope | HeartDisease | Sex_encoded | chol_age_ratio | RestingBP_scaled | chol_age_ratio_scaled | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 40 | NaN | ATA | 140 | 289 | 0 | Normal | 172 | N | 0.0 | Up | 0 | NaN | 7.048780 | 0.410909 | 1.453648 |
| 1 | 49 | NaN | NAP | 160 | 180 | 0 | Normal | 156 | N | 1.0 | Flat | 1 | NaN | 3.600000 | 1.491752 | -0.091938 |
| 2 | 37 | NaN | ATA | 130 | 283 | 0 | ST | 98 | N | 0.0 | Up | 0 | NaN | 7.447368 | -0.129513 | 1.632277 |
| 3 | 48 | NaN | ASY | 138 | 214 | 0 | Normal | 108 | Y | 1.5 | Flat | 1 | NaN | 4.367347 | 0.302825 | 0.251952 |
| 4 | 54 | NaN | NAP | 150 | 195 | 0 | Normal | 122 | N | 0.0 | Up | 0 | NaN | 3.545455 | 0.951331 | -0.116383 |
| 5 | 39 | NaN | NAP | 120 | 339 | 0 | Normal | 170 | N | 0.0 | Up | 0 | NaN | 8.475000 | -0.669935 | 2.092814 |
| 6 | 45 | NaN | ATA | 130 | 237 | 0 | Normal | 170 | N | 0.0 | Up | 0 | NaN | 5.152174 | -0.129513 | 0.603676 |
| 7 | 54 | NaN | ATA | 110 | 208 | 0 | Normal | 142 | N | 0.0 | Up | 0 | NaN | 3.781818 | -1.210356 | -0.010455 |
| 8 | 37 | NaN | ASY | 140 | 207 | 0 | Normal | 130 | Y | 1.5 | Flat | 1 | NaN | 5.447368 | 0.410909 | 0.735968 |
| 9 | 48 | NaN | ATA | 120 | 284 | 0 | Normal | 120 | N | 0.0 | Up | 0 | NaN | 5.795918 | -0.669935 | 0.892173 |
| Age | Sex | ChestPainType | RestingBP | Cholesterol | FastingBS | RestingECG | MaxHR | ExerciseAngina | Oldpeak | ST_Slope | HeartDisease | Sex_encoded | chol_age_ratio | RestingBP_scaled | chol_age_ratio_scaled | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 908 | 63 | NaN | ASY | 140 | 187 | 0 | LVH | 144 | Y | 4.0 | Up | 1 | NaN | 2.921875 | 0.410909 | -0.395842 |
| 909 | 63 | NaN | ASY | 124 | 197 | 0 | Normal | 136 | Y | 0.0 | Flat | 1 | NaN | 3.078125 | -0.453766 | -0.325818 |
| 910 | 41 | NaN | ATA | 120 | 157 | 0 | Normal | 182 | N | 0.0 | Up | 0 | NaN | 3.738095 | -0.669935 | -0.030050 |
| 911 | 59 | NaN | ASY | 164 | 176 | 1 | LVH | 90 | N | 1.0 | Flat | 1 | NaN | 2.933333 | 1.707921 | -0.390707 |
| 912 | 57 | NaN | ASY | 140 | 241 | 0 | Normal | 123 | Y | 0.2 | Flat | 1 | NaN | 4.155172 | 0.410909 | 0.156865 |
| 913 | 45 | NaN | TA | 110 | 264 | 0 | Normal | 132 | N | 1.2 | Flat | 1 | NaN | 5.739130 | -1.210356 | 0.866723 |
| 914 | 68 | NaN | ASY | 144 | 193 | 1 | Normal | 141 | N | 3.4 | Flat | 1 | NaN | 2.797101 | 0.627078 | -0.451760 |
| 915 | 57 | NaN | ASY | 130 | 131 | 0 | Normal | 115 | Y | 1.2 | Flat | 1 | NaN | 2.258621 | -0.129513 | -0.693083 |
| 916 | 57 | NaN | ATA | 130 | 236 | 0 | LVH | 174 | N | 0.0 | Flat | 1 | NaN | 4.068966 | -0.129513 | 0.118231 |
| 917 | 38 | NaN | NAP | 138 | 175 | 0 | Normal | 173 | N | 0.0 | Up | 0 | NaN | 4.487179 | 0.302825 | 0.305656 |